package com.tx.service;
 
import com.tx.common.utils.ChangeCharset;
import org.apache.commons.lang.StringUtils;


import java.io.*;
import java.net.URL;
import java.net.URLConnection;
import java.nio.charset.Charset;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.Map;


/*参考
https://blog.csdn.net/qq_29945865/article/details/78561928*/
 
 
public class HttpRequest {
    private static final String ENCODING = "UTF-8";
 
        public static void main(String[] args) throws UnsupportedEncodingException {

            for (int i=600000;i<=600400;i++){
                String keystring =String.valueOf(i);

                String resultvalue =    sendGet("http://hq.sinajs.cn/list=sh", keystring);
                System.out.println(resultvalue);
                String[] item = resultvalue.split(",");
                System.out.println(item[0]+"zhongjian"+item[1]);

                String[] name = item[0].split("\"");

                String s = name[1];
                ChangeCharset test = new ChangeCharset();
                String ascii = test.toASCII(s);
                String ascii2 = test.toGBK(s);
                String ascii3 = test.toISO_8859_1(s);
                String ascii4 = test.toUTF_8(s);
                String ascii5 = test.toUTF_16(s);
                String hello=new String(s.getBytes("GBK") , "GB2312");
                System.out.println(hello);
                String source = name[1];
                Charset defaultCharset = Charset.defaultCharset();

            }








        
        }
    
    
    /**
     * 向指定URL发送GET方法的请求
     * 
     * @param url
     *            发送请求的URL
     * @param param
     *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return URL 所代表远程资源的响应结果
     */
    public static String sendGet(String url, String param) {
        String result = "";
        BufferedReader in = null;
        try {
            String urlNameString = url  + param;
            URL realUrl = new URL(urlNameString);
            // 打开和URL之间的连接
            URLConnection connection = realUrl.openConnection();
            // 设置通用的请求属性
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("Content-type", "text/html;charset=UTF-8");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 建立实际的连接
            connection.connect();
            // 获取所有响应头字段

            Map<String, List<String>> map = connection.getHeaderFields();

            // 遍历所有的响应头字段
            for (String key : map.keySet()) {
                System.out.println(key + "--->" + map.get(key));
            }
            // 定义 BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(
                    connection.getInputStream()));
                    connection.getDate();
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("发送GET请求出现异常！" + e);
            e.printStackTrace();
        }
        // 使用finally块来关闭输入流
        finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        return result;
    }
 
    /**
     * 向指定 URL 发送POST方法的请求
     * 
     * @param url
     *            发送请求的 URL
     * @param param
     *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendPost(String url, String param) {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");

            conn.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());
            // 发送请求参数
            out.print(param);
            
 
            
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(
                    new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
            
            System.out.println(conn.getDate());
            long time = conn.getDate();
                 Date d = new Date(time);
                 String date=new SimpleDateFormat("yyyyMMddHHmmss").format(d);
                 System.out.println(date);
            
            
        } catch (Exception e) {
            System.out.println("发送 POST 请求出现异常！"+e);
            e.printStackTrace();
        }
        //使用finally块来关闭输出流、输入流
        finally{
            try{
                if(out!=null){
                    out.close();
                }
                if(in!=null){
                    in.close();
                }
            }
            catch(IOException ex){
                ex.printStackTrace();
            }
        }
        return result;
    }    
}
